fix for #151, fall back to find if pkg-config returns nothing

Author: ekarak

lib/ozwpaths.js

@@ -63,19 +63,19 @@ function getConfigItem(item) {
   if (usepkgconfig) {
     var cmdfmt = "pkg-config --variable=%s libopenzwave";
     var cmd = util.format(cmdfmt, item);
-    return (cp.execSync(cmd).toString().split('\n')[0]);
-  } else {
-    // 2. try using find
-    var cmdfmt = "find %s -name %s 2>/dev/null";
-    var fp = configs[item].findpattern;
-    for (var i in configs[item].locations) {
-      var loc = configs[item].locations[i];
-      if (!(loc && fs.existsSync(loc))) continue;
-      var cmd = util.format(cmdfmt, loc, fp);
-      var dir = doScript(cmd, true);
-      if (!dir) continue;
-      return path.dirname(dir.split('\n')[0]);
-    }
+    var result = cp.execSync(cmd).toString().split('\n')[0];
+    if (result) return (result);
+  }
+  // 2. if pkg-config does NOT yeild a value, try using find
+  var cmdfmt = "find %s -name %s 2>/dev/null";
+  var fp = configs[item].findpattern;
+  for (var i in configs[item].locations) {
+    var loc = configs[item].locations[i];
+    if (!(loc && fs.existsSync(loc))) continue;
+    var cmd = util.format(cmdfmt, loc, fp);
+    var dir = doScript(cmd, true);
+    if (!dir) continue;
+    return path.dirname(dir.split('\n')[0]);
   }
 }